Re: [PATCH v2 06/21] iov_iter: Make iov_iter_get_pages*() wrap iov_iter_extract_pages()
Christoph Hellwig <[email protected]>
| Newsgroups | org.ozlabs.lists.linux-erofs,dev.linux.lists.netfs,dev.linux.lists.v9fs,org.kernel.vger.ceph-devel,org.kernel.vger.linux-block,org.kernel.vger.linux-cifs,org.kernel.vger.linux-fsdevel,org.kernel.vger.linux-kernel,org.kernel.vger.linux-nfs |
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| Message-ID | <[email protected]> |
On Mon, May 18, 2026 at 11:29:38PM +0100, David Howells wrote: > Make iov_iter_get_pages*() wrap iov_iter_extract_pages() for kernel > iterator types (e.g. ITER_BVEC, ITER_FOLIOQ, ITER_XARRAY). The pages > obtained have their refcounts incremented afterwards if they're not slab > pages. ITER_KVEC is left returning -EFAULT. Just kill off iov_iter_get_pages*, please. Or at least stop using it where these types matter.